An Evaluation of Input Controls for In-Car Interactions Alexander Ng1, Stephen A
Technology Augmented Driving CHI 2017, May 6–11, 2017, Denver, CO, USA An Evaluation of Input Controls for In-Car Interactions Alexander Ng1, Stephen A. Brewster1 Frank Beruscha2, Wolfgang Krautter2 Glasgow Interactive Systems Group Corporate Sector Research and Advance Engineering School of Computing Science Robert Bosch GmbH University of Glasgow, UK Renningen, Germany 1{first.last}@glasgow.ac.uk 2{first.last}@de.bosch.com ABSTRACT related literature) are now available on mobile devices such The way drivers operate in-car systems is rapidly changing as as Apple’s iPhones and MacBook Pros and are likely to traditional physical controls, such as buttons and dials, are transfer to in-car centre consoles in the future. However, the being replaced by touchscreens and touch-sensing surfaces. tactile sensations from pressing on physical buttons and This has the potential to increase driver distraction and error grasping rotary dials are lost when inputting on smooth as controls may be harder to find and use. This paper pre- touchscreens and many in-car touch surfaces lack any form sents an in-car, on the road driving study which examined of haptic feedback. This is a safety concern as drivers are three key types of input controls to investigate their effects: a likely to spend more time looking at and interacting with the physical dial, pressure-based input on a touch surface and touchscreen and new touch surfaces than at the road ahead touch input on a touchscreen. The physical dial and pres- [4,12]. sure-based input were also evaluated with and without haptic feedback.
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